Genocide is an original novel written by Paul Leonard and based on the long-running British science fiction television series Doctor Who.

Jo Grant, a UNIT veteran, receives a call for help from an old colleague.

Meanwhile, the Doctor and Sam go to 2109 and find an alien race where the humans should be.

To make it worse, the aliens claim to have been there for thousands of years, and something is wrong with Sam's mind.

This article about 1990s novels and other printed work relating to Doctor Who is a stub.